:root {

  --primary: #0ea5e9;

  --bg: #f8fafc;

  --card: #fff;

  --border: #e2e8f0;

  --text: #1e293b;

  --muted: #64748b;

  --tabbar-h: calc(56px + env(safe-area-inset-bottom, 0px));

}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { -webkit-text-size-adjust: 100%; }

body {

  font-family: "PingFang SC", "Microsoft YaHei", sans-serif;

  background: var(--bg);

  color: var(--text);

  padding-bottom: var(--tabbar-h);

  min-height: 100vh;

}

.header {

  background: #fff;

  padding: 16px 16px calc(12px + env(safe-area-inset-top, 0px));

  border-bottom: 1px solid var(--border);

  position: sticky;

  top: 0;

  z-index: 10;

}

.header h1 { font-size: 1.15rem; font-weight: 700; }

.header p { font-size: 0.8rem; color: var(--muted); margin-top: 4px; }

.content { padding: 16px; max-width: 640px; margin: 0 auto; }

.card { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 16px; margin-bottom: 12px; }

.stat-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 16px; }

.stat { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 16px; text-align: center; }

.stat .val { font-size: 1.35rem; font-weight: 700; color: var(--primary); word-break: break-all; line-height: 1.2; }

.stat .lbl { font-size: 0.75rem; color: var(--muted); margin-top: 6px; }

.stat .sub { font-size: 0.7rem; color: #16a34a; margin-top: 6px; }

.btn {

  display: block;

  width: 100%;

  padding: 14px 16px;

  border: none;

  border-radius: 10px;

  font-size: 1rem;

  font-weight: 600;

  cursor: pointer;

  margin-bottom: 10px;

  text-align: center;

  text-decoration: none;

  min-height: 48px;

  line-height: 1.25;

  -webkit-tap-highlight-color: transparent;

}

.btn-primary { background: linear-gradient(135deg, #38bdf8, #6366f1); color: #fff; }

.btn-outline { background: #fff; border: 1px solid var(--border); color: var(--text); }

.queue-item { padding: 14px; border-left: 4px solid var(--primary); background: #e0f2fe; border-radius: 8px; margin-bottom: 10px; }

.queue-item strong { display: block; margin-bottom: 4px; }

.queue-item span { font-size: 0.85rem; color: var(--muted); }

.tabbar {

  position: fixed;

  bottom: 0; left: 0; right: 0;

  background: #fff;

  border-top: 1px solid var(--border);

  display: flex;

  z-index: 20;

  padding-bottom: env(safe-area-inset-bottom, 0px);

  box-shadow: 0 -2px 12px rgba(15, 23, 42, 0.06);

}

.tabbar a {

  flex: 1;

  text-align: center;

  padding: 12px 8px;

  font-size: 0.8rem;

  color: var(--muted);

  text-decoration: none;

  min-height: 48px;

  display: flex;

  align-items: center;

  justify-content: center;

}

.tabbar a.active { color: var(--primary); font-weight: 700; }

.login-page { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 20px; padding-top: calc(20px + env(safe-area-inset-top, 0px)); }

.login-box { width: 100%; max-width: 360px; background: #fff; border-radius: 16px; padding: 32px 24px; border: 1px solid var(--border); }

.form-group { margin-bottom: 16px; }

.form-group label { display: block; font-size: 0.85rem; color: var(--muted); margin-bottom: 6px; }

.form-group input { width: 100%; padding: 12px; border: 1px solid var(--border); border-radius: 8px; font-size: 16px; }

.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; margin: 0 -4px; }

.table-scroll table { min-width: 360px; width: 100%; font-size: 0.85rem; border-collapse: collapse; }

.table-scroll th, .table-scroll td { padding: 10px 8px; border-bottom: 1px solid var(--border); text-align: left; }

.brand-footer {
  padding: 12px 16px 4px;
  text-align: center;
  font-size: 0.72rem;
  color: var(--muted);
}
.brand-footer a {
  color: #94a3b8;
  text-decoration: none;
}
.brand-footer a:hover { color: var(--primary); }

.demo-watermark {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 99999;
  background-repeat: repeat;
  background-size: 480px 220px;
}

@media (max-width: 360px) {

  .stat-row { gap: 8px; }

  .stat { padding: 12px 8px; }

  .stat .val { font-size: 1.1rem; }

}